TDRSS lightcurve for Trigger=770502

Notes:

• 1) None of the TDRSS light curves are background subtracted.

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 03 Sep 17 09:01:43 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     770502,   Seg_Num: 0
GRB_RA:          233.806d {+15h 35m 13s} (J2000),
                 234.156d {+15h 36m 38s} (current),
                 232.820d {+15h 31m 17s} (1950)
GRB_DEC:         -57.244d {-57d 14' 38"} (J2000),
                 -57.302d {-57d 18' 06"} (current),
                 -57.078d {-57d 04' 39"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=2842 [image_cnts]
TRIGGER_DUR:     104.000 [sec] 
TRIGGER_INDEX:   20000     E_range: 15-50 keV
BKG_INTEN:       0 [cnts]
BKG_TIME:        0.00 SOD {00:00:00.00} UT
BKG_DUR:         0 [sec]
GRB_DATE:        17999 TJD;   246 DOY;   17/09/03
GRB_TIME:        32388.37 SOD {08:59:48.37} UT
GRB_PHI:          34.94 [deg]
GRB_THETA:         9.83 [deg]
SOLN_STATUS:     0x1000001D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    10.80 [sigma]
MERIT_PARAMS:     +0  +0 +100  +7  +1  +0  +0  +1  -6  +0 
SUN_POSTN:       162.52d {+10h 50m 05s}   +7.42d {+07d 25' 02"}
SUN_DIST:         86.55 [deg]   Sun_angle= -4.8 [hr] (East of Sun)
MOON_POSTN:      308.61d {+20h 34m 27s}  -16.98d {-16d 58' 45"}
MOON_DIST:        67.41 [deg]
MOON_ILLUM:      91 [%]
GAL_COORDS:      323.70, -1.13 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      246.51,-36.72 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This is an image trigger.  (The RATE_SIGNIF & BKG_{INTEN, TIME, DUR} are undefined.)  
COMMENTS:        A point_source was found.  
COMMENTS:        This matches a source in the on-board catalog: Num=20431=(null) (probably an AT_Slot).  
COMMENTS:        This does not match any source in the ground catalog.  
COMMENTS:        This is not a GRB.  
COMMENTS:        This is an interesting source.  
COMMENTS:        This trigger occurred at longitude,latitude = 106.89,-20.33 [deg].  
COMMENTS:           

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 03 Sep 17 09:16:44 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     770502,   Seg_Num: 0
GRB_RA:          233.806d {+15h 35m 13s} (J2000),
                 234.156d {+15h 36m 38s} (current),
                 232.820d {+15h 31m 17s} (1950)
GRB_DEC:         -57.244d {-57d 14' 38"} (J2000),
                 -57.302d {-57d 18' 06"} (current),
                 -57.078d {-57d 04' 39"} (1950)
GRB_DATE:        17999 TJD;   246 DOY;   17/09/03
GRB_TIME:        32388.37 SOD {08:59:48.37} UT
TRIGGER_INDEX:   20000
GRB_PHI:          34.94 [deg]
GRB_THETA:         9.83 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     104.000 [sec] 
SOLN_STATUS:     0x1D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    10.80 [sigma]
LC_URL:          sw00770502000msb.lc

Initial TDRSS lightcurve and spacecraft attitude plot

TDRSS lightcurve from T0-30 to T0+50 (zoom in)

TDRSS light curve from T0-1 to T0+2 (More zoom in)

1.6s binned TDRSS light curve

Extended TDRSS light curve and spacecraft attitude plot(s)

Extended TDRSS lc No.1

Extended TDRSS lc No.2

Plot creation:
Sun Sep  3 05:18:24 EDT 2017